I'm enjoying learning about the Reaper DAW software. There are dozens of skins available. Below are some results I've gotten recently.
The FrankenMod Theme-
The Pro 3 Theme
The Pro v1 Theme
The ProTools 8 Theme
Clean and Dark 3.0 Theme
Clean and Brown Default 3.0
Reaper themes are available from the Reaper website at"
http://stash.reaper.fm/tag/Themes
.